ICM Controls I3 1010HR - Wiring Diagrams (Continued); I2020 HR Heating;Cooling Wiring

7
Wiring Diagrams (continued)
2020
HR
H
eat
i
ng
/C
oo
li
ng
T
H
E
R
M
O
S
T
A
T
Sensor Common
S1
SC
S2
RH
RC
C
Y1
W1
O/B
G
W2
Y2
Optional
Remote or
Outdoor
Sensors
Heating Transformer
120 VAC
Cooling Transformer
120 VAC
Fan
Heat #2
24 VAC
Cool/Compressor #1
Cool/Compressor #2
Heat #1/Reversing Valve
AUX
(de) Humidifier
* Remove factory-installed jumper for systems with two transformers.
** Common wire is optional with batteries installed.
 Note: Not all terminals may be used with every model.